Hello.
On 24-04-2014 14:17, Tomi Valkeinen wrote:
omap5-uevm has a tca6424a I/O expander. Add it to the .dts file.
Signed-off-by: Tomi Valkeinen <[email protected]>
Cc: Tony Lindgren <[email protected]>
---
arch/arm/boot/dts/omap5-uevm.dts | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/arch/arm/boot/dts/omap5-uevm.dts b/arch/arm/boot/dts/omap5-uevm.dts
index 3b99ec25b748..9e7581eaeb23 100644
--- a/arch/arm/boot/dts/omap5-uevm.dts
+++ b/arch/arm/boot/dts/omap5-uevm.dts
@@ -434,6 +434,13 @@
pinctrl-0 = <&i2c5_pins>;
clock-frequency = <400000>;
+
+ tca6424a: tca6424a@22 {
The ePAPR standard [1] says: "The name of a node should be somewhat generic,
reflecting the function of the device and not its precise programming model.
If appropriate, the name should be one of the following choices:
[...]
- gpio;"
+ compatible = "ti,tca6424";
+ reg = <0x22>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
};
[1] http://www.power.org/resources/downloads/Power_ePAPR_APPROVED_v1.0.pdf
WBR, Sergei
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